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Change add_offset, scale_factor with cdo

Added by Tobias Bayr over 14 years ago

Dear all,

is it possible to unpack packed netcdf data with cdo, i.e to change the global attributes add_offset to 0.00 and the scalefactor to 1.00 or better to delete them?

I need to do this, because a software I want to use could not read the packed data.

I tried

"cdo -f 32 copy infile ofile"

but this only changes the file format from short to float, but the the data is still packed with scale_factor and add_offset.

Thanks

Tobias Bayr


Replies (3)

RE: Change add_offset, scale_factor with cdo - Added by Uwe Schulzweida over 14 years ago

Hi Tobias,

You can use

cdo -f 32 copy infile ofile
to unpack packed netcdf data only with the latest CDO versions 1.4.3 and 1.4.4.

Regards,
Uwe

RE: Change add_offset, scale_factor with cdo - Added by K. Houchi almost 13 years ago

Uwe Schulzweida wrote:

Hi Tobias,

You can use
[...] to unpack packed netcdf data only with the latest CDO versions 1.4.3 and 1.4.4.

Regards,
Uwe

Hi Uwe

Just to mention that in my case I had to use rather this syntax!
the one above gave this message!

"Unsupported filetype 32!
Available filetypes: grb/grb2/nc/nc2/nc4/nc4c/srv/ext/ieg "

Cordially,
karim

cdo -b f32 copy  infile ofile

RE: Change add_offset, scale_factor with cdo - Added by K. Houchi almost 13 years ago

syntax! => mean syntax below, now above!

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